Please - Need Quick answer for Brianliest :) Fill in the blank

A community in which multiple organisms interact and depend on one another for balance is a(n) which also depends on the of both matter and energy.

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?